Means fob chabging siobage batteeies



C. E. OGDEN.

MEANS FOR CHARGING STORAGE BATTERIES. APPLICATION FILED NOV.14, I918.

1 ,344,81 2. Patented J 11110 29, 1920.

ATTOF/Vf).

UNITED STATES CLARENCE E. OGDEN, OF CINCINNATI, OHIO.

MEANS FOR CHARGING STORAGE BATTERIES.

Specification of Letters Patent.

Patented June 29, 1920.

Application filed November 14, 1918. Serial No. 262.623.

To all whom it may concern:

Be it known that I, CLARENCE E. OGDEN, a citizen of the Upited States, and a resident of the cit of Cincinnati, county of Hamilton, and tate of Ohio, have invented certain new and useful Improvements in Means for Charging Storage Batteries, of which the followin is a full, clear, and exact description, re erence being had to the accompanying drawings, forming apart of this specification.

My invention relates to means for charging storage batteriesof the kind usually used on commercial trucks, locomotives etc.

Heretofore, it has been the, practice, :in charging batteries of the designated to provide a separate charging unit for each individual battery, thus resu ting the high initial cost of chargingequipment heavy current consumption from, the supply {Oil'- cuit, and hence ercessivecurrcntcost. I The present invention has for its .obj ect. the I provision of a: charging panel; which perm ts two or three similar-batteries to connected at thesamatiine, and wherebylsaid batteries may be consecutively 'chargedat regular charging rates automatically;,disconnecting each, as it becomes 1 fully I charged. Thus when all of the-connected batteries have been properly charged the supply circuit is automatically disconnected without the need of attention by the operator, or attendant. It thus becomes unnecessary, if the required batteries, have been properly connected and the supply circuit turned on,-

to devote further attention to the charging panel, as the several operations for theconsecutive charging and final disconnecting of the line circuit are automatically attended to. l r y The present invention finds its chief advantage in use with-motor generator sets as the cost of this kind of equipment is compa ratively high and the obviation of the necessity for the duplication of such equipment is thus of prime importance.

Further objects of the present invention will appear from the following detailed description thereof taken in connection with the accompanying drawings. i

In the drawings The figure is a diagrammatic view of the electrical devices and connections comprising said invention.

As so illustrated in the diagram the numeral 7 indicates the line connections for a three phase alternating current motor 8 arranged to be connected by an ordinary automat1c shunt trip oil switch 9. The motor 8 operates a generator 10 which sunolies dircct current for the charging of the storage battenes through a wire 11. Trip oil switch 12 is provided for opening and closing the generator circuit.

Mounted on the charging panel is an automatic OlIClllt breaker switch 2 of a well known type, and a self closing switch 3 also of well known construction. i

'1 he charging panel is provided with positlve battery bindlng posts or connections tion 16. The battery connection 14 is connected by wire 17 with the post 18 of switch 2. The other contact 19 of the switch 2 is connected by means of a wire20-to switch 12. -The negative batteryconnection 16 is connected by means of a wire 21 to thegeneratorlO. .4

; The charging panel isalso provided with posts or connections 22 and 23 f0r th8.1 P- eration of the various antomaticitripdevices, the connection 22 is connected bywire 24 with a solenoid 25 for the operation of I the switch 2. The other pole of the isolcnoid is connected by means of 'a ,wire 26 through a plate .26 on switch 2 with the,.

negative battery connection '16. The lever of switch 2is provided with-a plate 27 arranged to make contact. between points 28 and 29 of said switch, the point 28 is con- 14 and 15, and a negative. battery .connec- 1 nected with wire 26 by wire 30. Contact.

29 .is connected by means of wire 31 with the solenoid 32 of the self closing switch 3.

' The opposite pole of the solenoid 32 is connected by wire 33 with the wire. 20. The

contact plate 34 ofIthe switch f3 is arranged -to contact with points 35 and 36 of said switch, the point 35 is connected with wire 20 by means of a wire 37,'and;point 3,6 is connected by means of wire 38avith the positive battery connection 15. The connec of the trucks. The dpositive contacts of plugs 52 are connecte by means of wires 53 to one pole of ampere hour meters 4 mounted preferably upon the trucks, the other pole (if the meters 4 are connected by wires 54 with the truck batteries A. and B. respectively. The negative poles of the plugs 52 are connected by wires 55 with said batteries. The :needles 5 of the meters 4 are electrica'll Y connected with the wires 54. A pin 6in t e face of the meter for battery A is connected by 'means of a wire 56 with the Y connection 22 on' the panel, a snap connection'57 being'providedfor temporarily closing the connection. The pin 6'04 switch 4 for controllingbattery B'is similarly connccted bymeans of wire 55mm snap connection 54 with the connection 23 of the panel. Each of the switches 2, 9 and 12 is provided with a trip mechanism typically illustrated in the drawings by triggers 60 and springs 61, which operate in re ordinary manner 11 on the energizing of the trip The 0 eration of the device will be apparent from'the foregoing description thereoft'o those skilled in'the-art. In order to c'ha-rgeth'e batteries A and B, the plugs 44 and 45 are connected in 'th'esockcted plugs of the respective trucks in the ordinary manner. The needles '5, dnringthe previous use of the'batteries have, it will be understood, moved clockwise .to indicate 'the discharge, and they thus point tothe amounts necessary to recharge the batteries. The snap connections 57 are also. joined. The switches 9, 12 and 2 are'then closed. A direct current then flows fromthe generator through the wire 11, switch 12, Wire 20, switch 2, wires 17, 46 and 53, .throu hthe meter 4and battery A; thence through the negative wires 55, 47 and 21. to the'generator. Asthebattery is charged the needle 5 moves counter-clockwise until, when fully charged the needle contacts 'Wltll the pin 6,'thus establishing a shunt circuitthroughthe wires 56 and 24 to the solenoid 25, wire 26, plate 26" and wire 21 to the generator; the'solenoid 25 opens the switch 2 and causes'the plate 27 to con tact with points 28 and 29, thus establishing a circuit over wires 20 and 33 throu h the solenoid'32, wire 31, plate 27, wires 30, 26

and 21 to the narrator. The solenoid 32 causes the plate 34 'ofthe switch 3 to contact with the points 35 and 36 o'f'said switch,

thus completing a circuit through the wires 20, 37, plate 34, wires 38, 48 and 5 5, motor 4 ofthe battery B,-wire 54, battery I5, wires 55, 49, 47 and 21 to the generator, thus charging the second'battery, the how of current through battery A having, of course, been discontinued by the opening of the switch 2. When buttery B is fully charged the needle 5 contacts with the pin 6, thereby establishing a circuit through wires 58 and 39 and plate 39* to solenoid 4(lof switch 12; thence through wires 41 and 21 to the enerato'r,t'he solenoid 40 opening the switc l 12 and discontinuin the flow of current to the second battery. i imultaneously a circuit is established over the wire 42, plate 42, through solenoid '43 and wire 41 which automatically disconnects the trip oil switch'9, controlling the alternating current supply line. The opening of either of the switches 2 9 and 12 simultaneously opens the shunt circuit through its trip coil.

'Bythe use ofthe several instruments and connections above described it will be seen that a plurality of storage batteries of the nature mentioned may be consecutively charged, the necessary discouuections and connections for charging each subsequent batterybeing automatically attended. to. It

will thus be seen, furthermore, that'the necessity for'duplication of motor generator sets and other'expensive equipment, as for instance ailditiona'l'charging units or panels,

is entirely .obviated,fand there results, therefore, not only a savinginthe time and at tention, which is requiredfor the charging of'a plurality of batteries, but also a great economyin the original installation ofithe necessary'eqnipmentf Having thus'describedmy invention what I claim as new and desire to secure by Letters Patent is 1. Means for charging storage batteries comprising in combination with a charging circuit, a switch for controlling said circuit, and electrical connections'for a plurality of storage batteriestobe consecutively charged by said circuit, of means for manually closing the circuit through the lirst battery to be charged, a meter for ga ing the charge to each battery, means 'w ereby each of said meters is arranged automatically to open "the charging circuit through its battery and to close the charging circuit throu h the succeeding battery, and means where hy the meter for thela'stbattery is arran ed automatically to openthe switch in sai charging circuit.

2. Means or charging storage batteries comprising in combination with a charging circuit, a trip switch "forcontrolling said circuit and electrical connections for a plutively charged said circuit, of an automatic circuit breaking switch 'for closing the circuit through the first battery to be charged, a self closing switch for closing the circuit through a subsequent battery to be charged, means on said automatic circuit breaking switch for closing a shunt circuit to operate said self-closing switch, a meter for gaging the charge to each battery, the meter i'or said first battery being provided with electrical connections for the operation of said automatic circuit breaking switch to disconnect said first battery, and to opcrate said self-closing switch, and the meter for the last battery being provided with electrical connections for the opening oi the trip switch in said charging circuit.

3. lVieans for charging storage batteries comprising in combination with an alterna: ing current motor, a trip switch For controlling the current to said motor. a generator arranged to be driven by said motor, a charging circuit supplied by said generator, a trip switch for controlling said charging circuit, and electrical connectiitina for a plurality of storage batteries to be consecutively charged by said circuit, oi means for manually closing the circuit through the first battery to be charged, a meter for gaging the charge to each battery, means whereby each of said meters is arranged automatically to open the charging circuit through its battery and to close the charging circuit through the succeeding hattery, and means whereby the meter for the last battery is arranged automatically to open the trip switches in said motor and charging circuits.

l. Means for charging storage batteries comprising in combination with an alternating current motor, a trip switch for controlling the. current to said motor, a generator arranged to be driven by said motor, a charging circuit supplied by said generator, a trip switch for controlling said charging circuit, and electrical connections for a plurality of storage batteries to be consecutively charged by said circuit, of an automatic circuit breaking switch, for closing the circuit through the first battery to be charged, a self-closing switch for closing the circuit through a subsequent battery to be charged, means on said automatic circuit breaking switch For closing a shunt circuit to operate said self-closing switch, a meter for gaging the charge to each battery, the meter tor said first battery being pro vided with electrical. connections for the operation of said automatic circuit breaking switch to disconnect said first battery and to operate said self-closing switch, and the meter for the last battery being provided with electrical connections for open-- ing of the trip switches in said motor and charging circuits.

CLARENCE E. OGDEN 

